Home / 1,889,837,842.16-2,836,203,643.56-855,425,151.92

Finding the Fourth Proportional to 1,889,837,842.16, 2,836,203,643.56 and 855,425,151.92

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Solution

The fourth proportional to 1,889,837,842.16, 2,836,203,643.56 and 855,425,151.92 is: 1,283,792,650.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,837,842.16 : 2,836,203,643.56 = 855,425,151.92 : x
  2. Step 2: Convert to fraction form
    1,889,837,842.16/2,836,203,643.56 = 855,425,151.92/x
  3. Step 3: Cross multiply
    1,889,837,842.16x = 2,836,203,643.56 × 855,425,151.92
  4. Step 4: Simplify right side
    1,889,837,842.16x = 2,426,159,932,668,370,432
  5. Step 5: Solve for x
    x = 2,426,159,932,668,370,432/1,889,837,842.16
  6. Step 6: Final answer
    x = 1,283,792,650.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.